St. Catharines,

9:52 AM EDT on July 27, 2017 (GMT -0400)
St. Catharines

Weather History for CYSN - May, 2012

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 72 °F 55 °F
Mean Temperature 80 °F 63 °F 50 °F
Min Temperature 73 °F 54 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 16 4 0 129
Cooling Degree Days (base 65) 14 2 0 76
Growing Degree Days (base 50) 30 13 0 414
Dew Point  
Dew Point 70 °F 51 °F 28 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 25 mph 8 mph 0 mph
Gust Wind 37 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.24 in 29.99 in 29.65 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 14, 2012 Rise Set
Actual Time 5:53 AM EDT 8:33 PM EDT
Civil Twilight 5:20 AM EDT 9:06 PM EDT
Nautical Twilight 4:39 AM EDT 9:47 PM EDT
Astronomical Twilight 3:52 AM EDT 10:34 PM EDT
Moon 2:36 AM EDT (5/14) 2:43 PM EDT (5/14)
Length of Visible Light 15h 45m
Length of Day
14h 39m
Waning Crescent, 33% of the Moon is Illuminated
May 14
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 55 50 44 52 48 43 100 87 77 30.06 30.03 29.96 10 6 4 12 6 - 0.00  
2 62 55 46 55 50 45 93 83 72 30.03 29.96 29.88 10 8 4 15 5 - 0.00 Rain
3 75 62 50 64 58 50 100 83 69 30.07 29.98 29.85 12 8 3 15 6 37 0.00  
4 73 66 60 64 61 55 94 78 69 29.97 29.94 29.92 15 12 10 12 9 - 0.00  
5 60 54 48 45 40 34 82 60 36 30.13 30.10 30.07 15 15 15 18 13 23 0.00  
6 66 54 41 45 38 28 100 52 24 30.16 30.12 30.06 15 15 15 16 6 18 0.00  
7 64 56 48 54 47 39 100 74 51 30.00 29.92 29.83 15 11 4 10 7 - 0.00 Rain
8 64 58 53 57 56 52 100 85 73 29.78 29.75 29.73 12 8 2 9 5 - 0.00 Rain
9 66 60 51 52 49 45 94 71 46 29.75 29.71 29.66 15 14 8 21 10 34 0.00 Rain
10 60 54 48 45 39 34 82 58 39 29.86 29.80 29.77 15 15 15 20 11 24 0.00  
11 71 61 51 45 40 36 58 42 28 30.09 30.07 30.05 15 15 15 13 10 20 0.00  
12 75 63 51 54 48 45 82 47 38 30.19 30.16 30.12 15 15 15 23 13 28 0.00  
13 66 60 55 50 47 39 72 60 37 30.22 30.17 30.11 15 15 14 8 4 - 0.00  
14 69 61 53 55 53 50 88 67 53 30.10 30.05 29.99 15 14 12 10 6 - 0.00  
15 77 64 51 54 46 41 94 47 28 29.99 29.93 29.86 15 14 8 17 6 18 0.00  
16 66 60 51 52 46 37 88 64 51 30.06 29.93 29.83 15 14 10 17 11 26 0.00 Rain
17 62 52 42 41 35 32 81 48 32 30.24 30.20 30.16 15 15 15 7 5 - 0.00  
18 69 56 44 50 42 37 93 50 33 30.21 30.18 30.12 15 15 15 12 7 - 0.00  
19 82 66 50 57 53 48 100 55 39 30.18 30.15 30.10 15 15 15 7 4 - 0.00  
20 82 70 57 57 54 50 88 50 34 30.21 30.15 30.07 20 14 12 9 4 - 0.00  
21 78 72 66 63 58 54 78 55 47 30.06 29.98 29.91 15 15 15 15 8 - 0.00  
22 75 67 59 61 58 55 88 73 57 29.92 29.89 29.85 15 14 12 10 5 - 0.00  
23 75 68 60 63 61 57 88 73 61 29.97 29.93 29.90 15 11 8 14 6 18 0.00  
24 84 72 60 66 63 61 100 63 45 30.02 29.96 29.90 15 14 10 15 5 24 0.00  
25 86 78 71 66 64 63 73 56 48 29.98 29.93 29.91 15 13 10 25 18 34 0.00  
26 78 71 64 57 52 46 77 49 32 30.20 30.18 30.12 15 15 15 9 4 - 0.00  
27 77 68 59 61 56 52 83 67 41 30.17 30.10 29.88 15 15 15 15 4 30 0.00  
28 89 78 66 70 66 63 88 60 46 29.94 29.86 29.75 15 12 10 22 8 31 0.00  
29 84 80 73 70 62 48 74 56 36 29.70 29.68 29.65 15 13 10 21 16 29 0.00  
30 73 68 62 52 49 45 68 50 38 29.81 29.78 29.76 15 15 15 13 6 - 0.00  
31 66 60 55 48 44 39 77 55 40 29.99 29.97 29.94 15 15 15 10 8 - 0.00